/** * amdgpu_driver_open_kms - drm callback for open * * @dev: drm dev pointer * @file_priv: drm file * * On device open, init vm on cayman+ (all asics). * Returns 0 on success, error on failure. */ int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) { struct amdgpu_device *adev = dev->dev_private; struct amdgpu_fpriv *fpriv; int r; file_priv->driver_priv = NULL; r = pm_runtime_get_sync(dev->dev); if (r < 0) return r; fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL); if (unlikely(!fpriv)) { r = -ENOMEM; goto out_suspend; } r = amdgpu_vm_init(adev, &fpriv->vm, AMDGPU_VM_CONTEXT_GFX, 0); if (r) { kfree(fpriv); goto out_suspend; } fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL); if (!fpriv->prt_va) { r = -ENOMEM; amdgpu_vm_fini(adev, &fpriv->vm); kfree(fpriv); goto out_suspend; } if (amdgpu_sriov_vf(adev)) { r = amdgpu_map_static_csa(adev, &fpriv->vm, &fpriv->csa_va); if (r) { amdgpu_vm_fini(adev, &fpriv->vm); kfree(fpriv); goto out_suspend; } } mutex_init(&fpriv->bo_list_lock); idr_init(&fpriv->bo_list_handles); amdgpu_ctx_mgr_init(&fpriv->ctx_mgr); file_priv->driver_priv = fpriv; out_suspend: pm_runtime_mark_last_busy(dev->dev); pm_runtime_put_autosuspend(dev->dev); return r; }
int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm) { int r; struct amdgpu_bo_va *bo_va; struct ww_acquire_ctx ticket; struct list_head list; struct amdgpu_bo_list_entry pd; struct ttm_validate_buffer csa_tv; INIT_LIST_HEAD(&list); INIT_LIST_HEAD(&csa_tv.head); csa_tv.bo = &adev->virt.csa_obj->tbo; csa_tv.shared = true; list_add(&csa_tv.head, &list); amdgpu_vm_get_pd_bo(vm, &list, &pd); r = ttm_eu_reserve_buffers(&ticket, &list, true, NULL); if (r) { DRM_ERROR("failed to reserve CSA,PD BOs: err=%d\n", r); return r; } bo_va = amdgpu_vm_bo_add(adev, vm, adev->virt.csa_obj); if (!bo_va) { ttm_eu_backoff_reservation(&ticket, &list); DRM_ERROR("failed to create bo_va for static CSA\n"); return -ENOMEM; } r = amdgpu_vm_alloc_pts(adev, bo_va->vm, AMDGPU_CSA_VADDR, AMDGPU_CSA_SIZE); if (r) { DRM_ERROR("failed to allocate pts for static CSA, err=%d\n", r); amdgpu_vm_bo_rmv(adev, bo_va); ttm_eu_backoff_reservation(&ticket, &list); return r; } r = amdgpu_vm_bo_map(adev, bo_va, AMDGPU_CSA_VADDR, 0,AMDGPU_CSA_SIZE, AMDGPU_PTE_READABLE | AMDGPU_PTE_WRITEABLE | AMDGPU_PTE_EXECUTABLE); if (r) { DRM_ERROR("failed to do bo_map on static CSA, err=%d\n", r); amdgpu_vm_bo_rmv(adev, bo_va); ttm_eu_backoff_reservation(&ticket, &list); return r; } vm->csa_bo_va = bo_va; ttm_eu_backoff_reservation(&ticket, &list); return 0; }
/** * amdgpu_driver_open_kms - drm callback for open * * @dev: drm dev pointer * @file_priv: drm file * * On device open, init vm on cayman+ (all asics). * Returns 0 on success, error on failure. */ int amdgpu_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv) { struct amdgpu_device *adev = dev->dev_private; struct amdgpu_fpriv *fpriv; int r, pasid; /* Ensure IB tests are run on ring */ flush_delayed_work(&adev->late_init_work); file_priv->driver_priv = NULL; r = pm_runtime_get_sync(dev->dev); if (r < 0) return r; fpriv = kzalloc(sizeof(*fpriv), GFP_KERNEL); if (unlikely(!fpriv)) { r = -ENOMEM; goto out_suspend; } pasid = amdgpu_pasid_alloc(16); if (pasid < 0) { dev_warn(adev->dev, "No more PASIDs available!"); pasid = 0; } r = amdgpu_vm_init(adev, &fpriv->vm, AMDGPU_VM_CONTEXT_GFX, pasid); if (r) goto error_pasid; fpriv->prt_va = amdgpu_vm_bo_add(adev, &fpriv->vm, NULL); if (!fpriv->prt_va) { r = -ENOMEM; goto error_vm; } if (amdgpu_sriov_vf(adev)) { uint64_t csa_addr = amdgpu_csa_vaddr(adev) & AMDGPU_GMC_HOLE_MASK; r = amdgpu_map_static_csa(adev, &fpriv->vm, adev->virt.csa_obj, &fpriv->csa_va, csa_addr, AMDGPU_CSA_SIZE); if (r) goto error_vm; } mutex_init(&fpriv->bo_list_lock); idr_init(&fpriv->bo_list_handles); amdgpu_ctx_mgr_init(&fpriv->ctx_mgr); file_priv->driver_priv = fpriv; goto out_suspend; error_vm: amdgpu_vm_fini(adev, &fpriv->vm); error_pasid: if (pasid) amdgpu_pasid_free(pasid); kfree(fpriv); out_suspend: pm_runtime_mark_last_busy(dev->dev); pm_runtime_put_autosuspend(dev->dev); return r; }